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12020110107 = 34006703369
BaseRepresentation
bin10110011000111010…
…00101001100011011
31011000200221212020020
423030131011030123
5144104122010412
65304424401523
7603604151535
oct131435051433
934020855206
1012020110107
1151090476a5
1223b56162a3
1311973860b5
14820574855
154a53e418c
hex2cc74531b

12020110107 has 4 divisors (see below), whose sum is σ = 16026813480. Its totient is φ = 8013406736.

The previous prime is 12020110093. The next prime is 12020110121. The reversal of 12020110107 is 70101102021.

12020110107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12020110093) and next prime (12020110121).

It is a cyclic number.

It is not a de Polignac number, because 12020110107 - 211 = 12020108059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020110187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003351682 + ... + 2003351687.

It is an arithmetic number, because the mean of its divisors is an integer number (4006703370).

Almost surely, 212020110107 is an apocalyptic number.

12020110107 is a deficient number, since it is larger than the sum of its proper divisors (4006703373).

12020110107 is an equidigital number, since it uses as much as digits as its factorization.

12020110107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006703372.

The product of its (nonzero) digits is 28, while the sum is 15.

Adding to 12020110107 its reverse (70101102021), we get a palindrome (82121212128).

The spelling of 12020110107 in words is "twelve billion, twenty million, one hundred ten thousand, one hundred seven".

Divisors: 1 3 4006703369 12020110107